Pattern Sheets

Pattern sheetsbefore #35 had a different format. Forthe online versiontheyhavebeenadjustedtothelaterformatasfaraspossible.

Pattern sheetsbefore #35 were not numbered, theyhad a 'classificationcode'startingwithsuitsystemcodeletterswhichareexplainedbelow. Theyhavebeenordered (andnumbered) accordingtothepublicationdate (ifpresent),
but theymayactuallyhavebeenissued in a slightly different order.